DIY Mattress Coupon Codes — 5% Off

DIY Mattress (diymattress.com) is a direct-to-consumer mattress component retailer that allows shoppers to design and assemble their own custom latex or hybrid mattresses. Rather than selling pre-built mattresses, the company provides premium individual layers — including Dunlop latex, Talalay latex, encased coil, and micro encased coil units — along with quilted covers and cotton stretch covers, empowering buyers to build a mattress tailored to their exact needs.

The company's flagship offering is a 3-step mattress building process: choose a 6" support core (foam, latex, or individually encased coil), select a 3" natural latex comfort topper in soft, medium, firm, or extra firm, and finish with a hand-sewn 100% natural cotton cover quilted to natural wool. A 360-degree zipper on the cover allows easy layer swapping, making it possible to adjust firmness over time without purchasing a new mattress entirely. An optional 2" soft topper can also be added for additional cushioning.

One of DIY Mattress's key selling points is its focus on heavier sleepers — the company explicitly notes that its build system is designed to adequately support individuals weighing between 100 and 300+ lbs, a segment often underserved by mainstream mattress brands and review sites. Both a standard latex mattress builder and a hybrid mattress builder are available on the website, giving customers flexibility in construction style.

• Products offered: Dunlop Latex layers, Talalay Latex layers, Encased Coil cores, Micro Encased Coil cores, Quilted Mattress Covers, Cotton Stretch Covers
• Customization: Split left/right firmness configurations available
• Materials: 100% natural latex, natural cotton, natural wool quilting, CertiPUR-US HD foam cores
• Experience: 40+ years of mattress manufacturing background claimed
• Support: Phone specialists available Mon–Fri 7am–6pm MST, Sat–Sun 9:30am–6pm MST at (877) 266-0800

DIY Mattress positions itself primarily around cost savings and customization. By bypassing traditional retail channels and allowing consumers to source components directly, the brand claims shoppers can save thousands of dollars compared to buying equivalent mattresses from retail stores. The site also features a "Mattress University" educational resource section to help guide customers through the selection process. While Trustpilot ratings and BBB accreditation data are not currently available for independent verification, the company's transparent component-based model and direct phone support line provide multiple avenues for pre-purchase guidance.